package com.jack.online.study.mapper.ucenter;

import com.jack.online.study.model.ucenter.dao.Member;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;

/**
 * <p>
 * 会员表 Mapper 接口
 * </p>
 *
 * @author jack
 * @since 2024-04-19
 */
public interface MemberMapper extends BaseMapper<Member> {
    Integer selectRegisterNumByDay(String day);
}
